Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:43 PM EDT on Saturday 20 December 2025
Valid for Saturday 20 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter and Metropolitan
Warning for the following areas:
Northern Tablelands, Illawarra, South Coast, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes, Riverina, Lower Western and Upper Western
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
In northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to contract to the east over the coming week.
About the south and ranges, and along the coast, maximum temperatures in the mid twenties to high thirties. Overnight minimum temperatures generally in the mid teens to low twenties. Temperatures continue to decrease over the weekend, with severe heatwave conditions expected ease towards the middle of next week. Locations likely to be impacted include Sydney, Armidale, Batemans Bay, Goulburn, Moree, Nowra, Orange, Tamworth, Wollongong and Yass.
The next heatwave warning will be issued by 3:00pm EDT on Sunday 21 December 2025
Forecast
Marrickville South (33.9152°S, 151.1516°E, 8m AMSL) Marrickville South,NSW set as my default location ›
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7 day forecast
Marrickville South 7 day forecast
Today: Sunny morning. Slight chance of a shower in the afternoon and evening. The chance of a thunderstorm in the afternoon and early evening. Light winds becoming NW/NE 15 to 25 km/h in the middle of the day then tending S/SW 15 to 20 km/h in the evening.
Forecast for Marrickville South (33.9152°S, 151.1516°E, 8m AMSL) Sun Mon Tue Wed Thu Fri Sat Summary 
Minimum 21° 24° 20° 19° 19° 17° 17° Maximum 33° 31° 30° 29° 25° 25° 25° Chance of rain 50% 20% 20% 40% 60% 50% 20% Likely amount 1-5mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating High Moderate High High - - - Frost risk Nil Nil Nil Nil Nil Nil Nil 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm Wind speed 10
(km/h)25
(km/h)16
(km/h)29
(km/h)11
(km/h)25
(km/h)17
(km/h)33
(km/h)21
(km/h)34
(km/h)16
(km/h)30
(km/h)19
(km/h)29
(km/h)Wind direction N E WSW SE W S NNE NE S SSE SSE SE SSE SE Relative humidity 69% 52% 53% 53% 60% 36% 57% 47% 62% 53% 59% 47% 58% 47% Dew point 20°C 20°C 17°C 18°C 16°C 12°C 14°C 15°C 15°C 14°C 13°C 11°C 13°C 12°C First light 5:11am 5:12am 5:12am 5:13am 5:13am 5:14am 5:15am Sunrise 5:41am 5:41am 5:42am 5:42am 5:43am 5:43am 5:44am Sunset 8:06pm 8:06pm 8:07pm 8:07pm 8:08pm 8:08pm 8:08pm Last light 8:35pm 8:35pm 8:36pm 8:36pm 8:37pm 8:37pm 8:37pm -
Sunrise and sunset times
Sunrise / Sunset for Marrickville South (33.9152°S, 151.1516°E, 8m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase First quarter Full moon Last quarter New moon 5:11am EDT 5:41am EDT 8:06pm EDT 8:35pm EDT 6:08am EDT 9:20pm EDT 
Waxing crescent
First quarter Dec 28 Full moon Jan 03 Last quarter Jan 11 New moon Jan 19 Marrickville South sun & moon times
SundayFirst light5:11am
EDTSunrise5:41am
EDTSunset8:06pm
EDTLast light8:35pm
EDTMoon phase
Next OccurrenceMoon riseSun
6:08am
EDTMoon setSun
9:20pm
EDTFirst quarterFirst quarter Sun
Dec 28
Full moonFull moon Sat
Jan 03
Last quarterLast quarter Sun
Jan 11
New moonNew moon Mon
Jan 19
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Warnings
Weather Warnings
Sat 2:43pm UTC Severe weather advice NSWSat 2:43pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:43 PM EDT on Saturday 20 December 2025
Valid for Saturday 20 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter and Metropolitan
Warning for the following areas:
Northern Tablelands, Illawarra, South Coast, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes, Riverina, Lower Western and Upper Western
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
In northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to contract to the east over the coming week.
About the south and ranges, and along the coast, maximum temperatures in the mid twenties to high thirties. Overnight minimum temperatures generally in the mid teens to low twenties. Temperatures continue to decrease over the weekend, with severe heatwave conditions expected ease towards the middle of next week. Locations likely to be impacted include Sydney, Armidale, Batemans Bay, Goulburn, Moree, Nowra, Orange, Tamworth, Wollongong and Yass.
The next heatwave warning will be issued by 3:00pm EDT on Sunday 21 December 2025Sat 2:43pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:43 PM EDT on Saturday 20 December 2025
Valid for Saturday 20 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter and Metropolitan
Warning for the following areas:
Northern Tablelands, Illawarra, South Coast, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes, Riverina, Lower Western and Upper Western
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
In northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to contract to the east over the coming week.
About the south and ranges, and along the coast, maximum temperatures in the mid twenties to high thirties. Overnight minimum temperatures generally in the mid teens to low twenties. Temperatures continue to decrease over the weekend, with severe heatwave conditions expected ease towards the middle of next week. Locations likely to be impacted include Sydney, Armidale, Batemans Bay, Goulburn, Moree, Nowra, Orange, Tamworth, Wollongong and Yass.
The next heatwave warning will be issued by 3:00pm EDT on Sunday 21 December 2025Sat 2:43pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:43 PM EDT on Saturday 20 December 2025
Valid for Saturday 20 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter and Metropolitan
Warning for the following areas:
Northern Tablelands, Illawarra, South Coast, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes, Riverina, Lower Western and Upper Western
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
In northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to contract to the east over the coming week.
About the south and ranges, and along the coast, maximum temperatures in the mid twenties to high thirties. Overnight minimum temperatures generally in the mid teens to low twenties. Temperatures continue to decrease over the weekend, with severe heatwave conditions expected ease towards the middle of next week. Locations likely to be impacted include Sydney, Armidale, Batemans Bay, Goulburn, Moree, Nowra, Orange, Tamworth, Wollongong and Yass.
The next heatwave warning will be issued by 3:00pm EDT on Sunday 21 December 2025Sat 2:43pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:43 PM EDT on Saturday 20 December 2025
Valid for Saturday 20 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter and Metropolitan
Warning for the following areas:
Northern Tablelands, Illawarra, South Coast, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes, Riverina, Lower Western and Upper Western
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
In northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to contract to the east over the coming week.
About the south and ranges, and along the coast, maximum temperatures in the mid twenties to high thirties. Overnight minimum temperatures generally in the mid teens to low twenties. Temperatures continue to decrease over the weekend, with severe heatwave conditions expected ease towards the middle of next week. Locations likely to be impacted include Sydney, Armidale, Batemans Bay, Goulburn, Moree, Nowra, Orange, Tamworth, Wollongong and Yass.
The next heatwave warning will be issued by 3:00pm EDT on Sunday 21 December 2025Sat 2:43pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:43 PM EDT on Saturday 20 December 2025
Valid for Saturday 20 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter and Metropolitan
Warning for the following areas:
Northern Tablelands, Illawarra, South Coast, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes, Riverina, Lower Western and Upper Western
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
In northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to contract to the east over the coming week.
About the south and ranges, and along the coast, maximum temperatures in the mid twenties to high thirties. Overnight minimum temperatures generally in the mid teens to low twenties. Temperatures continue to decrease over the weekend, with severe heatwave conditions expected ease towards the middle of next week. Locations likely to be impacted include Sydney, Armidale, Batemans Bay, Goulburn, Moree, Nowra, Orange, Tamworth, Wollongong and Yass.
The next heatwave warning will be issued by 3:00pm EDT on Sunday 21 December 2025Sat 2:43pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:43 PM EDT on Saturday 20 December 2025
Valid for Saturday 20 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter and Metropolitan
Warning for the following areas:
Northern Tablelands, Illawarra, South Coast, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes, Riverina, Lower Western and Upper Western
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
In northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to contract to the east over the coming week.
About the south and ranges, and along the coast, maximum temperatures in the mid twenties to high thirties. Overnight minimum temperatures generally in the mid teens to low twenties. Temperatures continue to decrease over the weekend, with severe heatwave conditions expected ease towards the middle of next week. Locations likely to be impacted include Sydney, Armidale, Batemans Bay, Goulburn, Moree, Nowra, Orange, Tamworth, Wollongong and Yass.
The next heatwave warning will be issued by 3:00pm EDT on Sunday 21 December 2025Sat 2:43pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:43 PM EDT on Saturday 20 December 2025
Valid for Saturday 20 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter and Metropolitan
Warning for the following areas:
Northern Tablelands, Illawarra, South Coast, Central Tablelands, Southern Tablelands, Snowy Mountains, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes, Riverina, Lower Western and Upper Western
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
In northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to contract to the east over the coming week.
About the south and ranges, and along the coast, maximum temperatures in the mid twenties to high thirties. Overnight minimum temperatures generally in the mid teens to low twenties. Temperatures continue to decrease over the weekend, with severe heatwave conditions expected ease towards the middle of next week. Locations likely to be impacted include Sydney, Armidale, Batemans Bay, Goulburn, Moree, Nowra, Orange, Tamworth, Wollongong and Yass.
The next heatwave warning will be issued by 3:00pm EDT on Sunday 21 December 2025For extended forecasts and greater detail visit weather zone° -
Temperature for next 7 days
0 Sunday Sunday 33 1 Monday Monday 31 2 Tuesday Tuesday 30 3 Wednesday Wednesday 29 4 Thursday Thursday 25 5 Friday Friday 25 6 Saturday Saturday 25 7 Saturday Saturday 25 -
Rain for next 7 days
0 Sunday Sunday 5 1 Monday Monday 0 2 Tuesday Tuesday 0 3 Wednesday Wednesday 0 4 Thursday Thursday 0 5 Friday Friday 0 6 Saturday Saturday 0 7 Saturday Saturday 0
